| S. No. | NAME OF THE DRUG | SOLVENT SYSTEM* | RETENTION FACTOR | λmax (nm) |
| 1 | METHADONE | A | 0.15 | 200 |
| B | 0.48 | 200 | ||
| 2 | PAPAVERINE | A | 0.91 | 243 |
| 3 | COCAINE | A | 0.44 | 234 |
| 4 | KETAMINE | A | 0.85 | 200 |
| 5 | PHENOBARBITAL | C | 0.63 | 200 |
| 6 | CAFFEINE | A | 0.74 | 275 |
| 7 | CODEINE | A | 0.25 | 212 |
| B | 0.43 | 209 | ||
| 8 | ACETAMINOPHEN | C | 0.68 | 246 |
| 9 | DIAZEPAM | A | 0.93 | 231 |
| 10 | THEBAINE | A | 0.39 | 285 |
| 11 | HEROIN | A | 0.47 | 206 |
| 12 | METHAMPHETAMINE | B | 0.31 | 205 |
| 13 | CARBAMAZEPINE | A | 0.78 | 286 |
| 14 | NARCOTINE | A | 0.87 | 217 |
| 15 | MORPHINE | B | 0.41 | 210 |
| 16 | EPHEDRINE | B | 0.36 | 205 |